Dillon, CO 80435 Frost Dates
Frost dates for Dillon, CO, ZIP 80435
The NOAA station nearest to 80435 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 5a (-20 to -15°F average annual minimum).
How Dillon compares
About 41 days separate Dillon's last and first frost, putting it 40,249 of 40,283 ZIP codes nationally. Within CO, it ranks 613 of 624.
Learn more
local microclimates explains what one yard in Dillon can differ from the 80435 normal, and the methodology explains exactly which NOAA and USDA figures feed 80435's numbers.